Aitor Coca is a Research Physiologist at the National Personal Protective Technology Laboratory of the Center for Disease Control / US National Institute for Occupational Safety and Health (CDC/NIOSH).

João Barros is Professor Catedrático (Full Professor) of Electrical and Computer Engineering at the University of Porto, Founder and CEO of Veniam and Founding Director of the Instituto de Telecomunicações (IT) in Porto, Portugal.